package controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import utils.Page;

import java.util.List;

@Controller
@RequestMapping("/user")
public class UserController {

    @Autowired
    private UserService userService;

    @RequestMapping("/index")
    public String index(){
        return "index";
    }

    @RequestMapping("/login")
    public String login(User user){
        boolean flag = userService.login(user);
        if (flag){
            return "index";
        }else

        return "login";
    }

    @RequestMapping("/toregist")
    public String toregist(){
        return "regist";
    }

    @RequestMapping("/checkUserNameUnique")
    @ResponseBody
    public String checkUserNameUnique(@RequestParam("name")String name){
        int count = userService.findUserByName(name);
        if (count>0){
            return "false";
        }else{
            return "true";
        }
    }


    @RequestMapping("/list/{currentPage}")
    public String list(User user, @PathVariable("currentPage") Integer currentPage, Model model){
        //查询数据
        Page page = new Page();
        page.setCurrentPage(currentPage);
        int totalCount = userService.count(user);
        page.setTotalCount(totalCount);
        page.setCurrentPage(currentPage);
        page.setTotalPage();

        int offset = (currentPage-1)*page.getPageSize();
        List<User> users = userService.findAll(user, offset, page.getPageSize());

        model.addAttribute("page",page);
        model.addAttribute("users",users);
        model.addAttribute("user",user);
        return "user/list";
    }
    @RequestMapping("/toAdd")
    public String toAdd(){
        return "user/add";
    }
    @RequestMapping("/addSave")
    public String addSave(User user){
        final int result = userService.addUser(user);
        if(result>0){
            return "redirect:/user/list/1";
        }else{
            return "error";
        }

    }

    @RequestMapping("/delete/{id}")
    public String delete(@PathVariable("id") Integer id){

         int result = userService.deleteUserById(id);
         if(result>0){
             return "redirect:/user/list/1";
         }else{
             return "error";
         }

    }

    @RequestMapping("/toupdate/{id}")
    public String toupdate(@PathVariable("id") Integer id,Model model){
        User user = userService.findUserById(id);
        model.addAttribute("user",user);
        return "user/update";
    }

    @RequestMapping("/updateSave")
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if (result>0){
            return "redirect:/user/list/1";
        }else {
            return "error";
        }
    }















}
